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Gemstones

Gemfields CEO Sean Gilbertson
Gemfields seeks to raise $30m through a rights issue
11th April 2025 By: Sabrina Jardim

Johannesburg- and London-listed Gemfields says it will be seeking shareholder approval to, among other things, issue 556.2-million new shares to raise about $30-million by way of a fully committed... 


Minerals Council CEO Mzila Mthenjane, senior policy analyst, public affairs and transformation Fundiswa Ndaba, and senior executive, public affairs and transformation Tebello Chabana.
Minerals Council scoring big on South Africa’s socioeconomic transformation front
9th April 2025 By: Martin Creamer

Minerals Council South Africa has been scoring big on the transformation front, going well beyond compliance, and hopes are now high that the upcoming Minerals and Petroleum Resources Development... 


CHIETA CEO Yershen Pillay.
Platinum-based green hydrogen on way to becoming South Africa’s new gold – CHIETA
8th April 2025 By: Martin Creamer

Three new green hydrogen qualifications are being registered with the Quality Council for Trades and Occupations to enable South Africa to seize the platinum group metals (PGMs)-linked green... 


Paul Miller.
To reclaim global mining status, South Africa must restore trust – Paul Miller
2nd April 2025 By: Martin Creamer

If South Africa wants to reclaim its position in the global mining industry, half-measures just won’t cut it. The Department of Mineral and Petroleum Resources (DMPR) needs to go beyond admitting... 


Master Drilling robotic arm.
Robotic rig uplifts productivity 50%, cuts water 75%, Master Drilling reports
27th March 2025 By: Martin Creamer

A robotic rig deployed at a project last year increased productivity by about 50% and consumed 75% less water than the more conventional rigs working on the same contract, Master Drilling director... 


An image showing the Montepuez mine
JSE approves Gemfields’ transfer to general segment
11th March 2025 By: Tasneem Bulbulia

Gemstone miner Gemfields’ application to transfer its market segmentation on the main board of the JSE, from the ‘prime segment’ to the ‘general segment’, has been approved with effect from March... 


DMRE denies allegations that it is ignoring claims of illegal sugilite mining
10th March 2025 By: Darren Parker

The Department of Mineral Resources and Energy (DMRE) has denied allegations from PP Gemstones that it is ignoring illegal sugilite mining by Black Rock mine and failing to respond to legal... 


Gemfields product and sales MD Adrian Banks
Gemfields generates $4.8m in mini auction of previously unsold emeralds
24th February 2025 By: Sabrina Jardim

London-listed Gemfields has generated $4.8-million in revenue from a mini auction, held from February 19 to 21, of previously unsold higher-quality emeralds. The Gemstone miner says 10 of the 13... 


Gemfields CEO Sean Gilbertson
Zambia suspends export tax on precious stones, metals
19th February 2025 By: Reuters

Zambia has suspended a 15% export tax on precious stones and metals in a bid to enhance competitiveness on the global market and draw investment, the finance ministry said on Wednesday. The... 


Temporary 21-day export ban only applies to artisanal gemstones, Malawi govt clarifies
17th February 2025 By: Darren Parker

Following the February 12 announcement of the placing of a temporary ban on the exports of all minerals from Malawi, the country’s Ministry of Mining has moved to clarify its position. “The... 


coloured gemstones
New report highlights lack of transparency in coloured gemstone industry
4th February 2025 By: Darren Parker

A new report from coloured gemstones miner Gemfields on the emerald, ruby and sapphire markets “… serves as a reminder of how far the coloured gemstone industry still has to go to reach the levels... 


Beneficiation of African metals and minerals in Africa is being demanded as an absolute must.
Adding value to metals and minerals in Africa emphasised as a must at Mining Indaba
3rd February 2025 By: Martin Creamer

Investing in African Mining Indaba presenters on Monday spoke repeatedly of the need for Africa to add value to its metals and minerals on the continent itself rather than allowing this to take... 


Gemfields continues funding MRM processing plant, pauses Kagem mining
31st January 2025 By: Sabrina Jardim

JSE- and LSE-listed Gemfields has reported total auction revenues of $196-million for the year ended December 31, and a net debt position of $80.5-million – before auction receivables of... 


Urgewald director Heffa Schuecking.
New metallurgical coal list highlights decarbonisation need beyond thermal coal exiting
23rd January 2025 By: Martin Creamer

The demand-surpassing production of metallurgical coal, in spite of the availability of environment-friendly alternatives for steelmaking in particular, is highlighted in the launch of a... 


Gold tailings retreatment at DRDGold's Ergo.
Global tailings institute selects South Africa as launch pad of new mine dump standards
21st January 2025 By: Martin Creamer

In a bid to help make mine tailings safer for people and the environment, a global institute has been launched in South Africa which has also been selected as the location of the independent,... 


The nuGen™ green hydrogen fuel cell truck retrofitted from a diesel-powered vehicle.
Mining needs to commit to intensified decarbonisation goals, consulting firm shows
9th January 2025 By: Martin Creamer

The mining industry needs to commit to an intensified pursuit of decarbonisation goals amid the rate of greening being too slow to meet science-based targets, consulting services firm dss+ points... 


State Diamond Trader CEO Nosi Mzamo.
State Diamond Trader to showcase South Africa’s diamond industry role
8th January 2025 By: Martin Creamer

South Africa’s State Diamond Trader will be presenting an inaugural diamond show in Cape Town from February 2 to 5. Each day of the 2025 South Africa Diamond Show will focus on themes that include... 


An image showing Kagem Mining
Gemfields urges Zambia to reconsider emerald export duty
8th January 2025 By: Tasneem Bulbulia

London-listed Gemfields said on Wednesday that it would lobby the Zambian government to suspend the newly reinstated 15% export duty on precious gemstones, which would directly impact the emeralds... 


An image of the Montepuez ruby mine
Gemfields reports positive auction results in current market conditions
12th December 2024 By: Tasneem Bulbulia

Gemstone miner Gemfields recorded revenues of $46.2-million from its latest auction of mixed-quality rough ruby recovered at the Montepuez ruby mine, in Mozambique. Of the 102 lots on offer, 97... 


Further measures to lower exposure to diesel particulate matter.
New commitment to reduce exposure to diesel emissions in underground mines
11th December 2024 By: Martin Creamer

A most fundamental human need is to breathe fresh air. Yet, for millions of people working in underground mines across the globe, this is not a given. Now, members of the international ICMM mining... 


Gem Resources completes processing plant upgrades, begins Phase 2 operations
11th December 2024 By: Sabrina Jardim

London-listed Gem Resources has successfully completed the refurbishment and upgrades to the processing plant at its Gravelotte emerald mine, in South Africa. The improvements included the... 


Emerald in hand
Grizzly earns $22m from latest emerald auction
10th December 2024 By: Marleny Arnoldi

Emerald producer Grizzly Mining has generated $22.4-million of revenue from its latest auction, held in Dubai. The company offered mid- to high-grade rough emeralds produced from the Grizzly mine... 


Kraftblock co-founder and CEO Dr Martin Schichtel.
Mines urged to fill renewables gaps with green electrons from on-site waste heat
5th December 2024 By: Martin Creamer

Mines using renewable energy are being encouraged to harvest and store heat wasted during minerals processing and to then use its green electrons to close renewables intermittency gaps that come... 


Gemfields achieves 70% sales at auction
22nd November 2024 By: Sabrina Jardim

Gemstone miner Gemfields earned total auction revenues of $16.1-million at its latest auction of higher-quality emerald. It sold 30 of the 43 lots on offer, with 141 084 ct of the 200 460 ct on... 


Gem Resources processes 5 500 t of ore following Gravelotte restart
5th November 2024 By: Sabrina Jardim

London-listed Gem Resources, formerly URA Holdings, has reported that Phase 1 of the restart at the Gravelotte emerald mine, in Limpopo, South Africa, has been under way for about six months.... 


Kal Tire VP Southern Africa John Martin
ESG targets are prioritising the need for mining tyre circularity
24th October 2024 By: Martin Creamer

Stockpiles of mining tyres are beginning to weigh heavily on the environmental, social and governance (ESG) targets of mining companies. Large tyre accumulations visible at some mining operations... 


Former Gullick South Africa Technical Manager Terry Hamilton (right) interviewed by Mining Weekly's Martin Creamer.
Water power is there for the taking in many underground mines
22nd October 2024 By: Martin Creamer

Water power is there for the taking across a broad spectrum of many of South Africa’s hard-rock underground mines. At a time of high electricity prices, the availability of cooling reservoirs at... 


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pqt: 0.286s - ct: 0.491s - 344pq - 2rq
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